Blanket Drum Heater, Current Rating 6.67 A, Environment Indoor, For Container Capacity 55 gal, For Container Material Type Metal, For Container Type Drums, Thermostat Temperature -Maximum 450 Degrees F, Thermostat Temperature -Minimum 50 Degrees F, Operating Voltage 230V AC, Watt Density 2 W/sq in, Watts 1,600 W, Closure Method Hook and Loop, Controller Type Digital, Drum Diameter - Maximum 22 3/10 in, Drum Diameter - Minimum 22 3/10 in